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A glass cover for preventing liquid crystal display light leakage and its manufacturing method

A technology of liquid crystal display and glass cover plate, which is used in instruments, optics, nonlinear optics, etc. to achieve the effect of improving assembly efficiency

Active Publication Date: 2021-10-01
MARVEL RES LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The same problem will be more serious on glasses-free 3D LCD displays with narrow borders. For details, see Figure 4 shown

Method used

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  • A glass cover for preventing liquid crystal display light leakage and its manufacturing method
  • A glass cover for preventing liquid crystal display light leakage and its manufacturing method
  • A glass cover for preventing liquid crystal display light leakage and its manufacturing method

Examples

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Embodiment Construction

[0034] What is set forth below is what is presently considered to be the preferred embodiment, or best representative example, of the claimed invention. Any alteration or modification which substantially alters function, purpose, structure, or result, having considered future and present representations or modifications of the embodiments and preferred embodiments, is intended to be covered by the claims of this patent. Preferred embodiments of the invention will now be described, by way of example only, with reference to the accompanying drawings.

[0035] Figure 5 A schematic diagram showing the refraction and reflection of light on the end surface of the cover glass. exist Figure 5 The end surface 11 of the cover glass 1 shown in is a plane, and when the light falls on the end surface, it will be refracted or reflected depending on its incident angle. Assume that the refractive index of the optically rarefied medium is n 1 , the refractive index of the optically dense...

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Abstract

The invention discloses a glass cover for preventing light leakage of a liquid crystal display, comprising: a cover glass arranged on the opposite side of the liquid crystal panel to the side receiving light from a backlight module; and a microstructure formed on the The end faces of the cover glass on the four sides of the cover glass have structural shapes with non-planar and regular geometric features arranged along the thickness direction of the cover glass. The microstructure of the four sides of the cover glass effectively solves the problem of light leakage of the LCD, and improves assembly efficiency by reducing masking tape and eliminating the need for additional accessories and materials. The invention also discloses a manufacturing method of the glass cover plate.

Description

technical field [0001] The invention relates to the technical field of liquid crystal displays, in particular to a device for preventing light leakage of a liquid crystal display, and more particularly to a glass cover plate for preventing light leakage of a liquid crystal display and a manufacturing method thereof. Background technique [0002] Liquid crystal display (LCD) utilizes the characteristics that liquid crystal molecules will change the alignment direction under the influence of an external electrostatic field, and rotate the polarization direction of the light passing through the first polarizing filter on the back of the liquid crystal panel to control the light passing through the second polarizing filter on the front of the liquid crystal panel . The liquid crystal itself does not emit light, and a backlight module needs to be installed behind the liquid crystal panel. The backlight module is basically composed of a light source, a light guide plate and an op...

Claims

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Application Information

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IPC IPC(8): G02F1/1333
Inventor 李应樵
Owner MARVEL RES LTD
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